Bar None British slang
Nothing/ no one else is better.
She is the most beautiful girl I have ever met in my life, bar none.
This is the most interesting film that I have ever watched, bar none.
To become better
We should be careful in doing everything instead of doing something risky.
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!